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target/arm: Implement SVE Permute - Interleaving Group

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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180613015641.5667-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-06-15 14:57:14 +01:00 • committed by Peter Maydell
parent d731d8cb3c
commit 234b48e9c6
4 changed files with 172 additions and 0 deletions
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72
target/arm/sve_helper.c
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@ -1964,3 +1964,75 @@ void HELPER(sve_punpk_p)(void *vd, void *vn, uint32_t pred_desc)
}
}
}
#define DO_ZIP(NAME, TYPE, H) \
void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
{ \
intptr_t oprsz = simd_oprsz(desc); \
intptr_t i, oprsz_2 = oprsz / 2; \
ARMVectorReg tmp_n, tmp_m; \
/* We produce output faster than we consume input. \
Therefore we must be mindful of possible overlap. */ \
if (unlikely((vn - vd) < (uintptr_t)oprsz)) { \
vn = memcpy(&tmp_n, vn, oprsz_2); \
} \
if (unlikely((vm - vd) < (uintptr_t)oprsz)) { \
vm = memcpy(&tmp_m, vm, oprsz_2); \
} \
for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \
*(TYPE *)(vd + H(2 * i + 0)) = *(TYPE *)(vn + H(i)); \
*(TYPE *)(vd + H(2 * i + sizeof(TYPE))) = *(TYPE *)(vm + H(i)); \
} \
}
DO_ZIP(sve_zip_b, uint8_t, H1)
DO_ZIP(sve_zip_h, uint16_t, H1_2)
DO_ZIP(sve_zip_s, uint32_t, H1_4)
DO_ZIP(sve_zip_d, uint64_t, )
#define DO_UZP(NAME, TYPE, H) \
void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
{ \
intptr_t oprsz = simd_oprsz(desc); \
intptr_t oprsz_2 = oprsz / 2; \
intptr_t odd_ofs = simd_data(desc); \
intptr_t i; \
ARMVectorReg tmp_m; \
if (unlikely((vm - vd) < (uintptr_t)oprsz)) { \
vm = memcpy(&tmp_m, vm, oprsz); \
} \
for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \
*(TYPE *)(vd + H(i)) = *(TYPE *)(vn + H(2 * i + odd_ofs)); \
} \
for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \
*(TYPE *)(vd + H(oprsz_2 + i)) = *(TYPE *)(vm + H(2 * i + odd_ofs)); \
} \
}
DO_UZP(sve_uzp_b, uint8_t, H1)
DO_UZP(sve_uzp_h, uint16_t, H1_2)
DO_UZP(sve_uzp_s, uint32_t, H1_4)
DO_UZP(sve_uzp_d, uint64_t, )
#define DO_TRN(NAME, TYPE, H) \
void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
{ \
intptr_t oprsz = simd_oprsz(desc); \
intptr_t odd_ofs = simd_data(desc); \
intptr_t i; \
for (i = 0; i < oprsz; i += 2 * sizeof(TYPE)) { \
TYPE ae = *(TYPE *)(vn + H(i + odd_ofs)); \
TYPE be = *(TYPE *)(vm + H(i + odd_ofs)); \
*(TYPE *)(vd + H(i + 0)) = ae; \
*(TYPE *)(vd + H(i + sizeof(TYPE))) = be; \
} \
}
DO_TRN(sve_trn_b, uint8_t, H1)
DO_TRN(sve_trn_h, uint16_t, H1_2)
DO_TRN(sve_trn_s, uint32_t, H1_4)
DO_TRN(sve_trn_d, uint64_t, )
#undef DO_ZIP
#undef DO_UZP
#undef DO_TRN